Results 31 to 40 of about 5,571,922 (288)

Velocity field in a high prandtl number liquid bridge

open access: yesMATEC Web of Conferences, 2015
A numerical model is developed to investigate the velocity fields of high prandtl number liquid bridge with surface deformation under microgravity. The Navier-Stokes equations coupled with the energy conservation equation are solved on a staggered grid ...
Yang Shuo, Liang Ruquan, He Jicheng
doaj   +1 more source

Medium-Voltage Distribution Network Parameter Optimization Using a Thyristor Voltage Regulator

open access: yesEnergies, 2022
The article is devoted to the study of steady-state conditions of a distribution network containing a thyristor voltage regulator. The thyristor voltage regulator (TVR) is a new controlled semiconductor device developed at Nizhny Novgorod State Technical
Elena Sosnina   +3 more
doaj   +1 more source

A mathematical model of the three-phase AC to DC voltage converter with fourzone voltage control and active-inductive load

open access: yesAdaptivni Sistemi Avtomatičnogo Upravlinnâ, 2021
The article focuses on electromagnetic processes in electric circuits with semiconductor switches. A mathematical model of a semiconductor converter with four-zone output voltage control has been created so as to analyse electromagnetic processes in ...
В. Михайленко   +2 more
doaj   +1 more source

ОСОБЕННОСТИ ОПРЕДЕЛЕНИЯ ПАРАМЕТРОВ СИЛОВЫХ ТРАНСФОРМАТОРОВ МЕТОДАМИ СХЕМНО-ПОЛЕВОГО МОДЕЛИРОВАНИЯ

open access: yesElektrotehnìka ta Elektroenergetika, 2017
Цель работы. Разработка нового высокоэффективного подхода для определения параметров силового трансформатора в режимах холостого хода и короткого замыкания на основе схемно-полевого моделирования электромагнитных процессов, позволяющего учитывать ...
T. E. Divchuk   +5 more
doaj   +1 more source

Electromagnetic processes in a χ EFT framework [PDF]

open access: yesChinese Physics C, 2010
Invited talk at the 5th International Conference on Quarks and Nuclear Physics, to appear in Chinese Physics ...
GIRLANDA, Luca   +3 more
openaire   +3 more sources

Wave processes in alternating current traction network depending on parameters of power supply system [PDF]

open access: yesОмский научный вестник, 2019
The article considers a mathematical model of the AC traction power supply system taking into account stationary and nonstationary wave processes. The model allows you to analyze the effect of system parameters on electromagnetic processes at its ...
T. V. Kovaleva   +2 more
doaj   +1 more source

SIRENE: A Spatial Data Infrastructure to Enhance Communities’ Resilience to Disaster-Related Emergency

open access: yesInternational Journal of Disaster Risk Science, 2018
Planning in advance to prepare for and respond to a natural hazard-induced disaster-related emergency is a key action that allows decision makers to mitigate unexpected impacts and potential damage.
Simone Sterlacchini   +3 more
doaj   +1 more source

Considerations of uncertainty in robust optimisation of electromagnetic devices

open access: yes, 2014
Due to unavoidable uncertainties related to material properties and manufacturing processes, the robustness of the optimal solution must be considered when designing electromagnetic devices.
Rotaru, Mihai   +3 more
core   +1 more source

Electromagnetic techniques for imaging the cross-section distribution of molten steel flow in the continuous casting nozzle. [PDF]

open access: yes, 2005
Control of molten steel delivery through the pouring nozzle is critical to ensure an optimum laminar flow pattern in continuous casting, which influences the surface quality, cleanliness, and hence the value of the cast product.
Peyton, Anthony J.   +3 more
core   +5 more sources

THE NUMERICAL-FIELD ANALYSIS OF THE MAGNETIC FIELD AND THE ELECTRICAL QUANTITIES IN THE TURBOGENERATOR STATOR UNDER AUTONOMOUS UNBALANCED LOADING

open access: yesElectrical engineering & Electromechanics, 2016
Purpose. Assessing the impact of load asymmetry of turbogenerator (TG) on the magnetic field distribution, on the electrical and energy processes in it based on the numerical-field analysis within the constraints regulated by the standards.
V. I. Milykh
doaj   +1 more source

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